Re: (ITS#4834) DN matching rules should be indexed

[hyc@symas.com]

kurt@OpenLDAP.org wrote:
> On Feb 8, 2007, at 2:51 AM, hyc@symas.com wrote:
> 
>> h.b.furuseth@usit.uio.no wrote:
>>> Suggestion:  Generalize a bit and support the slapd.conf statement
>>>
>>>   index attr :matchingRule
>>>
>>> Can be used with the extended filter (attr:matchingRule:=foo),
>>> or with e.g. (attr=foo) when matchingRule is the EQUALITY rule.
>>>
>> That's a good idea but would require more work to define indexer  
>> functions
>> for each matching rule before we could do anything further. My  
>> reason for
>> posting this ITS is that we already have the index available for  
>> the DN
>> relativeMatch rules, so we should be taking advantage of them.
> 
> I note that dn2id is only useful for entryDN matching.  For
> matching of arbitrary DN attributes, additional indexing would
> be needed.

True. For the examples I've seen, this is good enough, and it's trivial to 
support it.

> It may be possible/reasonable to integrate indexing
> for this with component matching indexing... which, of course,
> needs work.

Yes, and time...

-- 
   -- Howard Chu
   Chief Architect, Symas Corp.  http://www.symas.com
   Director, Highland Sun        http://highlandsun.com/hyc
   Chief Architect, OpenLDAP     http://www.openldap.org/project/